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Engineers' Tool Kit - The Free Engineering Tools Site


Free engineering tools, references and news for structural and stress engineers. Almost everything here is free to use and download. 

Find here: 

  • free engineering software, spreadsheets and programs 
  • references to books for stress analysis, fatigue, dynamics, etc. 
  • reports, requirements and manuals for free download or consulting 
  • free software download on the toolkit
  • links to material data, technical reports, unit conversions, etc 
  • news for engineering professionals, videos and more

Complete site content at Site Map


Our articles:    Engineers' Tool Kit - Our View

THE LATEST NEWS - for complete coverage go to NEWS page

From Aviation Week & Space Technology
September 23rd
WASHINGTON and NEW DELHI—After a 10-month journey, NASA’s Mars Atmosphere and Volatile Evolution (Maven) spacecraft successfully entered orbit around Mars at 10:24 p.m. local time Sept. 21, a maneuver that precedes the planned orbital insertio...
September 23rd
HOUSTON — SpaceX’s fourth Dragon commercial resupply mission was on schedule for an early Sept. 23 rendezvous with the International Space Station, following a weather-delayed weekend liftoff from Cape Canaveral, Florida. The launch marked the...
September 23rd
Rockwell Collins’s late-2013 acquisition of ground-based data distribution and management provider Arinc appears to be paying off sooner than some observers might have expected. The Cedar Rapids, Iowa, avionics and flight communications provider tol...
September 23rd
The U.S. government is investing in the construction of three biorefineries in a bid to kick-start large-scale production of drop-in biofuel alternatives to jet and ship fuel for military and commercial customers. The Agriculture, Energy and Navy Departme...
September 23rd
The U.S. Navy cruiser CG 62 USS Chancellorsville conducted a series of live-fire exercises to assess the ship’s newly installed Baseline 9A Aegis combat system. The two-week testing process concluded earlier this month.   Chancellorsville is th...
September 23rd
LONDON — The U.S. State Department has approved a possible sale of cruise missiles for use on Poland’s fleet of F-16s. The $500 million Foreign Military Sale would include the sale of missiles and upgrades for Poland’s fleet of F-16C and...
From FlightGlobal
September 23rd
​The US Department of Defense has deployed two Lockheed Martin C-130 transports to California in support of wildfire suppression in the area.
September 23rd
​Dassault’s Falcon 7X is poised to become the first traditional business jet to be granted approval to operate from the world's highest commercial airport following completion earlier this month of a two-week flight test campaign at China's Daocheng Yadin...
September 23rd
​The US military and partner Arab nations have begun air strikes over Syria in an extension of the mission to counter the extreme Islamic uprising in the region.
September 23rd
​A Syrian air force Sukhoi Su-24 was shot down on 23 September by an Israeli Raytheon Patriot surface-to-air missile. The Syrian fighter had approached the Israeli border on the Golan heights before it was brought down.
September 23rd
Airbus Defence and Space has released an image of the Malaysian air force’s first A400M tactical transport, and says the aircraft will be delivered in the first quarter of 2015.
September 22nd
The Royal Thai Police have acquired a CN235-220M from Indonesian Aerospace through Thai Aviation Industries (TAI).



  • Two new links on the LINKS page, to AeroStudents and to Engineers Edge add more reference material and on line calculators of a broad range of engineering topics.

  • Free program for digitizing curves - CurveSnap, added to Programs page and link to on line curve digitizing site

  • Spreadsheet  on Spreadsheets page for extracting SPC loads from NASTRAN f06 output file

  • Link to MIL SPECS and more specifications, handbooks, on EverySpec  at LINKS page

  • New spreadsheets: stress-strain curve for non linear stress analysis and Neuber Plasticity correction using Ramberg&Osgood material curve added to the Spreadsheets page

  • Link to all regulations and specifications, from EASA, on the Regulations - Aircraft page  

  • New page:  CAD Programs with links for download, free, CAD Programs for 2D and 3D

  • New page:  Compilers with links for download, free, compilers for the most used programs for engineering and research.

  • New link on Links page to NASA site with NASA and NACA Technical reports for downloading.



Sukhoi Su-35 at Paris

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SOLAR IMPULSE: Wonderful engineering work

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